How Does Digital Contract Signing Work?

Signing a contract the old-fashioned way is a hassle: print the document, sign it by hand, and mail it back. When the people involved are spread across different locations, it takes even longer and adds cost. Electronic signatures remove that friction — the process is fast, secure, and paperless.

This guide walks you through how digital contract signing works step by step, the e-signature types and technology behind it, whether a digitally signed contract is legally binding, and where the method is headed next.

Related: This guide explains how digital contract signing works. For a broader primer on the signature methods themselves — SES, AES, and QES — see our pillar on the electronic signature.

What is Digital Contract Signing?

Digital contract signing means signing documents online — without paper or ink — using an electronic signature. It is widely recognised in law and works for everything from simple agreements to complex legal contracts. A digital signature also adds a layer of security: it proves the signed document is genuine and protects it from tampering.

The adoption of e-signatures has led to significant cost savings for businesses. For instance, the implementation of e-signature systems can reduce document handling costs by 85% and paper-related shipping expenses by 80%. Furthermore, businesses that have adopted paperless operations often see a 90% decrease in processing errors.

Types of Digital Signatures

There are several types of electronic signatures, each offering different levels of security and complexity. Here are some common types:

• Simple Electronic Signatures (SES): These are basic electronic representations of a person's handwritten signature. It could be as simple as typing your name or using a stylus on a touchscreen.
• Advanced Electronic Signatures (AES): Recognized in many jurisdictions, advanced electronic signatures use a secure process to verify the identity of the signer and ensure the integrity of the document.
• Qualified Electronic Signatures (QES): This is the most secure form of electronic signature, often requiring strict compliance with specific standards and regulations. It typically involves a digital certificate issued by a trusted certificate authority.
• Biometric Signatures: This involves capturing unique biometric data such as fingerprints, voice patterns, or handwritten signatures using a digital device.
• Click-to-Sign: This is a straightforward method where a person indicates their agreement by clicking a button or checkbox, signaling their consent.

How Digital Contract Signing Works: Step by Step

Knowing each stage makes the move to digital signatures straightforward. Here is the full process, from choosing a platform to storing the signed contract.

1. Select an e-signature platform

Research and compare your options before you commit. Weigh ease of use, security features (encryption and authentication methods), integrations with your other tools, pricing, and reputation from customer reviews. The goal is a platform that fits your specific needs and that you can rely on for every signature.

2. Upload the contract

Once you've chosen a platform, upload the document you want signed. Check that it supports your file format — PDF, Word, Excel, or another common type. Advanced contract management software goes a step further and lets you draft new contracts directly in the platform, so creation and signing happen in one place.

3. Add signature fields

Next, place the signature fields. Most platforms offer drag-and-drop fields, checkboxes, and guided workflows that let you pick the type of e-signature. Many also let you assign each field to a specific signer and trigger email notifications automatically.

4. Signers review and sign

Each signer gets a notification with a link that opens the document. Before signing, they can review the full terms and conditions. To sign, they can type their name, draw a signature, or upload a scanned image of their handwritten one — some platforms even offer a digital handwriting feature that mimics the traditional experience.

5. Track the signing progress

Use the platform's tracking dashboard to keep an eye on progress. At a glance, you can see who has signed, who still needs to, and when each signer last opened the document — no chasing by email required.

6. Completion and storage

Once everyone has signed, the contract is final. The platform generates a completed copy, sends it to you, and lets you download it. Store it in a searchable contract database so it's easy to retrieve later — fully in keeping with the paperless process.

Technologies Behind Digital Contract Signing

Now that you've recognized the increasing popularity of digital contract signing in recent years, do you know which technologies make it all possible? Let’s discuss some of the key technologies used for digital signing:

• Public Key Infrastructure (PKI): At the core of digital signatures lies Public Key Infrastructure (PKI). Acting as the electronic counterpart to handwritten signatures, PKI employs a pair of mathematically linked keys – a private key securely held by the signer and a public key accessible to all. When signing a document, the private key generates a unique code based on the document's content. This code, along with the signer's public key, becomes attached to the document, allowing anyone to use the public key for signature verification and ensuring the document's integrity.
• Digital Certificates: Adding an extra layer of security, digital certificates are issued by trusted third parties, known as Certificate Authorities. These certificates bind a public key to a specific identity, providing assurance that the public key indeed belongs to the intended signer.
• Encryption: Various encryption techniques safeguard sensitive information within contracts, such as financial details or personal data. This ensures that only authorized parties can access the document, preventing unauthorized modifications and bolstering overall document security.
• Cloud-based Platforms: Most electronic signature solutions today are cloud-based, letting users sign from any location and on any device. There's no on-premise software to install, which streamlines signing for everyone involved.
• Audit Trails and Document Management: Digital contract signing platforms often include detailed audit trails that meticulously track every action taken on a document, from the initial signature to subsequent modifications. These audit trails are not only vital for legal compliance but also play a crucial role in dispute resolution. Additionally, some platforms offer built-in document management features, simplifying the storage and retrieval of signed contracts.

Future Trends in Digital Contract Signing

It was only during the pandemic that most businesses realized the potential of digital signatures. In fact, the adoption of e-signatures saw a 50% increase in business usage only during the pandemic. Around 3 in 4 users now find it easy to sign documents using e-signatures, with the majority believing electronic signatures are more secure than manual ones.

Now, as businesses fully grasp the capabilities of this technology, the future of digital contract signing is overflowing with promising potential. Here are some key trends to watch out for:

1. Blockchain signatures

Imagine if your digital signatures were not just electronic scribbles but were backed by an unbreakable seal of security. That's the potential of using blockchain technology in digital signatures. Blockchain, known for its decentralized and unchangeable nature, can revolutionize how we sign digital documents.

Here's how it works: Instead of relying on a single, vulnerable database, blockchain spreads the signature data across a network of computers. This creates an indestructible record of signatures that's resistant to any tampering attempts. Every signature is not only logged but also stamped with a time and locked with encryption, making it practically impossible for anyone to mess with the signed document.

2. Artificial intelligence

Artificial Intelligence (AI) is changing how we handle documents and signatures, bringing a new level of efficiency and accuracy. With AI-powered systems, the information provided by humans can be turned into well-crafted documents and signature forms quickly.

Beyond just making things easier, AI in document management also takes away some of the workload for people and organizations. By automating complex tasks, AI ensures that different types of documents are handled consistently and accurately, freeing up time for more important work.

3. Verified digital identity

Companies worldwide are exploring the idea of providing a digital identity that is verified and linked to individuals' banking details. This verified identity serves as a crucial tool to prevent fraud in digital transactions and can be easily checked by various government bodies. Having a verified ID not only ensures secure digital signatures but also simplifies the process of logging into government institutions, making document signing more efficient with a certified digital imprint.

The quickest way to see digital contract signing in action is on a real contract workflow. In a free live demo, we walk you through templates, approvals, and built-in e-signature.

Frequently Asked Questions

Is a digitally signed contract legally binding?

Yes. Under the EU's eIDAS Regulation — and comparable laws such as the US ESIGN Act — electronic signatures and contracts are legally recognised. A digitally signed contract is valid and binding as long as no specific written form is required by law. Where it is (for example certain notarised deeds), a qualified electronic signature (QES) is needed.

Can I sign a contract online?

Yes. You upload the document to an e-signature platform, add signature fields, and invite the signers by email. Each person opens the document via a link, reviews it, and signs from any device — no printing, scanning, or postage involved.

How does a digital signature work?

When you sign, the document is tied to a personal digital certificate and sealed with a cryptographic checksum. That makes it possible to prove beyond doubt who signed and whether the document was altered afterwards. The individual steps are covered above in How Digital Contract Signing Works.

What's the difference between a digital signature and an electronic signature?

"Electronic signature" is the umbrella term for any signature in electronic form. A "digital signature" is a specific, cryptographically secured type — based on certificates and public-key infrastructure — that also underpins advanced (AES) and qualified (QES) signatures. For the full breakdown, see our guide to the electronic signature.